Finding the Fourth Proportional to 169,368.98, 253,831.99 and 69,412.15
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Solution
The fourth proportional to 169,368.98, 253,831.99 and 69,412.15 is: 104,027.45
Step by Step Solution
- Step 1: Write the proportion equation
169,368.98 : 253,831.99 = 69,412.15 : x - Step 2: Convert to fraction form
169,368.98/253,831.99 = 69,412.15/x - Step 3: Cross multiply
169,368.98x = 253,831.99 × 69,412.15 - Step 4: Simplify right side
169,368.98x = 17,619,022,548.46 - Step 5: Solve for x
x = 17,619,022,548.46/169,368.98 - Step 6: Final answer
x = 104,027.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.